|
Lines 1-6
Link Here
|
| 1 |
- Define ETIME if missing |
1 |
- Define ETIME if missing |
| 2 |
|
2 |
|
| 3 |
--- src/intel/vulkan/anv_gem.c.orig 2017-10-23 13:21:18 UTC |
3 |
--- src/intel/vulkan/anv_gem.c.orig 2019-01-17 11:26:23 UTC |
| 4 |
+++ src/intel/vulkan/anv_gem.c |
4 |
+++ src/intel/vulkan/anv_gem.c |
| 5 |
@@ -26,6 +26,9 @@ |
5 |
@@ -26,6 +26,9 @@ |
| 6 |
#include <sys/mman.h> |
6 |
#include <sys/mman.h> |
|
Lines 12-14
Link Here
|
| 12 |
#include <unistd.h> |
12 |
#include <unistd.h> |
| 13 |
#include <fcntl.h> |
13 |
#include <fcntl.h> |
| 14 |
|
14 |
|
|
|
15 |
@@ -116,9 +119,19 @@ anv_gem_userptr(struct anv_device *device, void *mem, |
| 16 |
.flags = 0, |
| 17 |
}; |
| 18 |
|
| 19 |
- int ret = anv_ioctl(device->fd, DRM_IOCTL_I915_GEM_USERPTR, &userptr); |
| 20 |
- if (ret == -1) |
| 21 |
+ int ret; |
| 22 |
+retry: |
| 23 |
+ ret = anv_ioctl(device->fd, DRM_IOCTL_I915_GEM_USERPTR, &userptr); |
| 24 |
+ if (ret == -1) { |
| 25 |
+ if (errno == ENODEV && userptr.flags == 0) { |
| 26 |
+ userptr.flags = I915_USERPTR_UNSYNCHRONIZED; |
| 27 |
+ goto retry; |
| 28 |
+ } |
| 29 |
+ if (geteuid() != 0) { |
| 30 |
+ fprintf(stderr, "%s", "ioctl(I915_GEM_USERPTR) failed. Try running as root but expect poor stability.\n"); |
| 31 |
+ } |
| 32 |
return 0; |
| 33 |
+ } |
| 34 |
|
| 35 |
return userptr.handle; |
| 36 |
} |